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path: root/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c')
-rw-r--r--drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c155
1 files changed, 93 insertions, 62 deletions
diff --git a/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c b/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c
index 2345fb42fa39..844ec68cbbb8 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c
+++ b/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c
@@ -7,8 +7,10 @@
#include <linux/kobject.h>
#include <linux/sysfs.h>
+#include "xe_device.h"
#include "xe_gt.h"
#include "xe_hw_engine_class_sysfs.h"
+#include "xe_pm.h"
#define MAX_ENGINE_CLASS_NAME_LEN 16
static int xe_add_hw_engine_class_defaults(struct xe_device *xe,
@@ -70,7 +72,7 @@ static ssize_t job_timeout_max_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.job_timeout_max);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.job_timeout_max);
}
static const struct kobj_attribute job_timeout_max_attr =
@@ -106,7 +108,7 @@ static ssize_t job_timeout_min_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.job_timeout_min);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.job_timeout_min);
}
static const struct kobj_attribute job_timeout_min_attr =
@@ -139,7 +141,7 @@ static ssize_t job_timeout_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.job_timeout_ms);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.job_timeout_ms);
}
static const struct kobj_attribute job_timeout_attr =
@@ -150,7 +152,7 @@ static ssize_t job_timeout_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.job_timeout_ms);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.job_timeout_ms);
}
static const struct kobj_attribute job_timeout_def =
@@ -161,7 +163,7 @@ static ssize_t job_timeout_min_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.job_timeout_min);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.job_timeout_min);
}
static const struct kobj_attribute job_timeout_min_def =
@@ -172,7 +174,7 @@ static ssize_t job_timeout_max_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.job_timeout_max);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.job_timeout_max);
}
static const struct kobj_attribute job_timeout_max_def =
@@ -231,7 +233,7 @@ static ssize_t timeslice_duration_max_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.timeslice_max);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.timeslice_max);
}
static const struct kobj_attribute timeslice_duration_max_attr =
@@ -269,7 +271,7 @@ static ssize_t timeslice_duration_min_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.timeslice_min);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.timeslice_min);
}
static const struct kobj_attribute timeslice_duration_min_attr =
@@ -281,7 +283,7 @@ static ssize_t timeslice_duration_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.timeslice_us);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.timeslice_us);
}
static const struct kobj_attribute timeslice_duration_attr =
@@ -293,7 +295,7 @@ static ssize_t timeslice_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.timeslice_us);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.timeslice_us);
}
static const struct kobj_attribute timeslice_duration_def =
@@ -304,7 +306,7 @@ static ssize_t timeslice_min_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.timeslice_min);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.timeslice_min);
}
static const struct kobj_attribute timeslice_duration_min_def =
@@ -315,7 +317,7 @@ static ssize_t timeslice_max_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.timeslice_max);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.timeslice_max);
}
static const struct kobj_attribute timeslice_duration_max_def =
@@ -348,7 +350,7 @@ static ssize_t preempt_timeout_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.preempt_timeout_us);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.preempt_timeout_us);
}
static const struct kobj_attribute preempt_timeout_attr =
@@ -360,7 +362,7 @@ static ssize_t preempt_timeout_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.preempt_timeout_us);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.preempt_timeout_us);
}
static const struct kobj_attribute preempt_timeout_def =
@@ -372,7 +374,7 @@ static ssize_t preempt_timeout_min_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.preempt_timeout_min);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.preempt_timeout_min);
}
static const struct kobj_attribute preempt_timeout_min_def =
@@ -384,7 +386,7 @@ static ssize_t preempt_timeout_max_default(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj->parent);
- return sprintf(buf, "%u\n", eclass->defaults.preempt_timeout_max);
+ return sysfs_emit(buf, "%u\n", eclass->defaults.preempt_timeout_max);
}
static const struct kobj_attribute preempt_timeout_max_def =
@@ -420,7 +422,7 @@ static ssize_t preempt_timeout_max_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.preempt_timeout_max);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.preempt_timeout_max);
}
static const struct kobj_attribute preempt_timeout_max_attr =
@@ -457,7 +459,7 @@ static ssize_t preempt_timeout_min_show(struct kobject *kobj,
{
struct xe_hw_engine_class_intf *eclass = kobj_to_eclass(kobj);
- return sprintf(buf, "%u\n", eclass->sched_props.preempt_timeout_min);
+ return sysfs_emit(buf, "%u\n", eclass->sched_props.preempt_timeout_min);
}
static const struct kobj_attribute preempt_timeout_min_attr =
@@ -498,8 +500,8 @@ static void kobj_xe_hw_engine_class_fini(struct drm_device *drm, void *arg)
kobject_put(kobj);
}
- static struct kobj_eclass *
-kobj_xe_hw_engine_class(struct xe_device *xe, struct kobject *parent, char *name)
+static struct kobj_eclass *
+kobj_xe_hw_engine_class(struct xe_device *xe, struct kobject *parent, const char *name)
{
struct kobj_eclass *keclass;
int err = 0;
@@ -513,13 +515,13 @@ kobj_xe_hw_engine_class(struct xe_device *xe, struct kobject *parent, char *name
kobject_put(&keclass->base);
return NULL;
}
+ keclass->xe = xe;
err = drmm_add_action_or_reset(&xe->drm, kobj_xe_hw_engine_class_fini,
&keclass->base);
if (err)
- drm_warn(&xe->drm,
- "%s: drmm_add_action_or_reset failed, err: %d\n",
- __func__, err);
+ return NULL;
+
return keclass;
}
@@ -550,13 +552,8 @@ static int xe_add_hw_engine_class_defaults(struct xe_device *xe,
if (err)
goto err_object;
- err = drmm_add_action_or_reset(&xe->drm, hw_engine_class_defaults_fini,
- kobj);
- if (err)
- drm_warn(&xe->drm,
- "%s: drmm_add_action_or_reset failed, err: %d\n",
- __func__, err);
- return err;
+ return drmm_add_action_or_reset(&xe->drm, hw_engine_class_defaults_fini, kobj);
+
err_object:
kobject_put(kobj);
return err;
@@ -567,9 +564,51 @@ static void xe_hw_engine_sysfs_kobj_release(struct kobject *kobj)
kfree(kobj);
}
+static ssize_t xe_hw_engine_class_sysfs_attr_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct xe_device *xe = kobj_to_xe(kobj);
+ struct kobj_attribute *kattr;
+ ssize_t ret = -EIO;
+
+ kattr = container_of(attr, struct kobj_attribute, attr);
+ if (kattr->show) {
+ xe_pm_runtime_get(xe);
+ ret = kattr->show(kobj, kattr, buf);
+ xe_pm_runtime_put(xe);
+ }
+
+ return ret;
+}
+
+static ssize_t xe_hw_engine_class_sysfs_attr_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct xe_device *xe = kobj_to_xe(kobj);
+ struct kobj_attribute *kattr;
+ ssize_t ret = -EIO;
+
+ kattr = container_of(attr, struct kobj_attribute, attr);
+ if (kattr->store) {
+ xe_pm_runtime_get(xe);
+ ret = kattr->store(kobj, kattr, buf, count);
+ xe_pm_runtime_put(xe);
+ }
+
+ return ret;
+}
+
+static const struct sysfs_ops xe_hw_engine_class_sysfs_ops = {
+ .show = xe_hw_engine_class_sysfs_attr_show,
+ .store = xe_hw_engine_class_sysfs_attr_store,
+};
+
static const struct kobj_type xe_hw_engine_sysfs_kobj_type = {
.release = xe_hw_engine_sysfs_kobj_release,
- .sysfs_ops = &kobj_sysfs_ops,
+ .sysfs_ops = &xe_hw_engine_class_sysfs_ops,
};
static void hw_engine_class_sysfs_fini(struct drm_device *drm, void *arg)
@@ -579,6 +618,24 @@ static void hw_engine_class_sysfs_fini(struct drm_device *drm, void *arg)
kobject_put(kobj);
}
+static const char *xe_hw_engine_class_to_str(enum xe_engine_class class)
+{
+ switch (class) {
+ case XE_ENGINE_CLASS_RENDER:
+ return "rcs";
+ case XE_ENGINE_CLASS_VIDEO_DECODE:
+ return "vcs";
+ case XE_ENGINE_CLASS_VIDEO_ENHANCE:
+ return "vecs";
+ case XE_ENGINE_CLASS_COPY:
+ return "bcs";
+ case XE_ENGINE_CLASS_COMPUTE:
+ return "ccs";
+ default:
+ return NULL;
+ }
+}
+
/**
* xe_hw_engine_class_sysfs_init - Init HW engine classes on GT.
* @gt: Xe GT.
@@ -608,7 +665,7 @@ int xe_hw_engine_class_sysfs_init(struct xe_gt *gt)
goto err_object;
for_each_hw_engine(hwe, gt, id) {
- char name[MAX_ENGINE_CLASS_NAME_LEN];
+ const char *name;
struct kobj_eclass *keclass;
if (hwe->class == XE_ENGINE_CLASS_OTHER ||
@@ -619,24 +676,8 @@ int xe_hw_engine_class_sysfs_init(struct xe_gt *gt)
continue;
class_mask |= 1 << hwe->class;
-
- switch (hwe->class) {
- case XE_ENGINE_CLASS_RENDER:
- strcpy(name, "rcs");
- break;
- case XE_ENGINE_CLASS_VIDEO_DECODE:
- strcpy(name, "vcs");
- break;
- case XE_ENGINE_CLASS_VIDEO_ENHANCE:
- strcpy(name, "vecs");
- break;
- case XE_ENGINE_CLASS_COPY:
- strcpy(name, "bcs");
- break;
- case XE_ENGINE_CLASS_COMPUTE:
- strcpy(name, "ccs");
- break;
- default:
+ name = xe_hw_engine_class_to_str(hwe->class);
+ if (!name) {
err = -EINVAL;
goto err_object;
}
@@ -649,26 +690,16 @@ int xe_hw_engine_class_sysfs_init(struct xe_gt *gt)
keclass->eclass = hwe->eclass;
err = xe_add_hw_engine_class_defaults(xe, &keclass->base);
- if (err) {
- drm_warn(&xe->drm,
- "Add .defaults to engines failed!, err: %d\n",
- err);
+ if (err)
goto err_object;
- }
err = sysfs_create_files(&keclass->base, files);
if (err)
goto err_object;
}
- err = drmm_add_action_or_reset(&xe->drm, hw_engine_class_sysfs_fini,
- kobj);
- if (err)
- drm_warn(&xe->drm,
- "%s: drmm_add_action_or_reset failed, err: %d\n",
- __func__, err);
+ return drmm_add_action_or_reset(&xe->drm, hw_engine_class_sysfs_fini, kobj);
- return err;
err_object:
kobject_put(kobj);
return err;
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-16 17:59:47 +0300